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c210e84f28
bionic/libm/Android.mk
Shu Zhang 3a629af0ad libm: arm: Add arm specific floor() optimization 
Add arm specific floor() implementation which avoids VMSR and VMRS
instructions.

Change-Id: Ibd4cd7147aa2f98c9b5bbaf74948843ea619dba4
2015-02-12 18:27:58 -08:00

359 lines
14 KiB
Makefile
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ifneq ($(TARGET_USE_PRIVATE_LIBM),true)
LOCAL_PATH:= $(call my-dir)
bionic_coverage := false
ifneq (,$(filter $(TARGET_ARCH),x86 x86_64))
# Clang has wrong long double sizes for x86.
libm_clang := false
endif
# -----------------------------------------------------------------------------
# libm.a
# -----------------------------------------------------------------------------
include $(CLEAR_VARS)
LOCAL_MODULE := libm
LOCAL_SRC_FILES := \
upstream-freebsd/lib/msun/bsdsrc/b_exp.c \
upstream-freebsd/lib/msun/bsdsrc/b_log.c \
upstream-freebsd/lib/msun/bsdsrc/b_tgamma.c \
upstream-freebsd/lib/msun/src/catrig.c \
upstream-freebsd/lib/msun/src/catrigf.c \
upstream-freebsd/lib/msun/src/e_acos.c \
upstream-freebsd/lib/msun/src/e_acosf.c \
upstream-freebsd/lib/msun/src/e_acosh.c \
upstream-freebsd/lib/msun/src/e_acoshf.c \
upstream-freebsd/lib/msun/src/e_asin.c \
upstream-freebsd/lib/msun/src/e_asinf.c \
upstream-freebsd/lib/msun/src/e_atan2.c \
upstream-freebsd/lib/msun/src/e_atan2f.c \
upstream-freebsd/lib/msun/src/e_atanh.c \
upstream-freebsd/lib/msun/src/e_atanhf.c \
upstream-freebsd/lib/msun/src/e_cosh.c \
upstream-freebsd/lib/msun/src/e_coshf.c \
upstream-freebsd/lib/msun/src/e_exp.c \
upstream-freebsd/lib/msun/src/e_expf.c \
upstream-freebsd/lib/msun/src/e_fmod.c \
upstream-freebsd/lib/msun/src/e_fmodf.c \
upstream-freebsd/lib/msun/src/e_gamma.c \
upstream-freebsd/lib/msun/src/e_gammaf.c \
upstream-freebsd/lib/msun/src/e_gammaf_r.c \
upstream-freebsd/lib/msun/src/e_gamma_r.c \
upstream-freebsd/lib/msun/src/e_hypot.c \
upstream-freebsd/lib/msun/src/e_hypotf.c \
upstream-freebsd/lib/msun/src/e_j0.c \
upstream-freebsd/lib/msun/src/e_j0f.c \
upstream-freebsd/lib/msun/src/e_j1.c \
upstream-freebsd/lib/msun/src/e_j1f.c \
upstream-freebsd/lib/msun/src/e_jn.c \
upstream-freebsd/lib/msun/src/e_jnf.c \
upstream-freebsd/lib/msun/src/e_lgamma.c \
upstream-freebsd/lib/msun/src/e_lgammaf.c \
upstream-freebsd/lib/msun/src/e_lgammaf_r.c \
upstream-freebsd/lib/msun/src/e_lgamma_r.c \
upstream-freebsd/lib/msun/src/e_log10.c \
upstream-freebsd/lib/msun/src/e_log10f.c \
upstream-freebsd/lib/msun/src/e_log2.c \
upstream-freebsd/lib/msun/src/e_log2f.c \
upstream-freebsd/lib/msun/src/e_log.c \
upstream-freebsd/lib/msun/src/e_logf.c \
upstream-freebsd/lib/msun/src/e_pow.c \
upstream-freebsd/lib/msun/src/e_powf.c \
upstream-freebsd/lib/msun/src/e_remainder.c \
upstream-freebsd/lib/msun/src/e_remainderf.c \
upstream-freebsd/lib/msun/src/e_rem_pio2.c \
upstream-freebsd/lib/msun/src/e_rem_pio2f.c \
upstream-freebsd/lib/msun/src/e_scalb.c \
upstream-freebsd/lib/msun/src/e_scalbf.c \
upstream-freebsd/lib/msun/src/e_sinh.c \
upstream-freebsd/lib/msun/src/e_sinhf.c \
upstream-freebsd/lib/msun/src/e_sqrt.c \
upstream-freebsd/lib/msun/src/e_sqrtf.c \
upstream-freebsd/lib/msun/src/imprecise.c \
upstream-freebsd/lib/msun/src/k_cos.c \
upstream-freebsd/lib/msun/src/k_cosf.c \
upstream-freebsd/lib/msun/src/k_exp.c \
upstream-freebsd/lib/msun/src/k_expf.c \
upstream-freebsd/lib/msun/src/k_rem_pio2.c \
upstream-freebsd/lib/msun/src/k_sin.c \
upstream-freebsd/lib/msun/src/k_sinf.c \
upstream-freebsd/lib/msun/src/k_tan.c \
upstream-freebsd/lib/msun/src/k_tanf.c \
upstream-freebsd/lib/msun/src/s_asinh.c \
upstream-freebsd/lib/msun/src/s_asinhf.c \
upstream-freebsd/lib/msun/src/s_atan.c \
upstream-freebsd/lib/msun/src/s_atanf.c \
upstream-freebsd/lib/msun/src/s_carg.c \
upstream-freebsd/lib/msun/src/s_cargf.c \
upstream-freebsd/lib/msun/src/s_cargl.c \
upstream-freebsd/lib/msun/src/s_cbrt.c \
upstream-freebsd/lib/msun/src/s_cbrtf.c \
upstream-freebsd/lib/msun/src/s_ccosh.c \
upstream-freebsd/lib/msun/src/s_ccoshf.c \
upstream-freebsd/lib/msun/src/s_ceil.c \
upstream-freebsd/lib/msun/src/s_ceilf.c \
upstream-freebsd/lib/msun/src/s_cexp.c \
upstream-freebsd/lib/msun/src/s_cexpf.c \
upstream-freebsd/lib/msun/src/s_cimag.c \
upstream-freebsd/lib/msun/src/s_cimagf.c \
upstream-freebsd/lib/msun/src/s_cimagl.c \
upstream-freebsd/lib/msun/src/s_conj.c \
upstream-freebsd/lib/msun/src/s_conjf.c \
upstream-freebsd/lib/msun/src/s_conjl.c \
upstream-freebsd/lib/msun/src/s_copysign.c \
upstream-freebsd/lib/msun/src/s_copysignf.c \
upstream-freebsd/lib/msun/src/s_cos.c \
upstream-freebsd/lib/msun/src/s_cosf.c \
upstream-freebsd/lib/msun/src/s_cproj.c \
upstream-freebsd/lib/msun/src/s_cprojf.c \
upstream-freebsd/lib/msun/src/s_cprojl.c \
upstream-freebsd/lib/msun/src/s_creal.c \
upstream-freebsd/lib/msun/src/s_crealf.c \
upstream-freebsd/lib/msun/src/s_creall.c \
upstream-freebsd/lib/msun/src/s_csinh.c \
upstream-freebsd/lib/msun/src/s_csinhf.c \
upstream-freebsd/lib/msun/src/s_csqrt.c \
upstream-freebsd/lib/msun/src/s_csqrtf.c \
upstream-freebsd/lib/msun/src/s_csqrtl.c \
upstream-freebsd/lib/msun/src/s_ctanh.c \
upstream-freebsd/lib/msun/src/s_ctanhf.c \
upstream-freebsd/lib/msun/src/s_erf.c \
upstream-freebsd/lib/msun/src/s_erff.c \
upstream-freebsd/lib/msun/src/s_exp2.c \
upstream-freebsd/lib/msun/src/s_exp2f.c \
upstream-freebsd/lib/msun/src/s_expm1.c \
upstream-freebsd/lib/msun/src/s_expm1f.c \
upstream-freebsd/lib/msun/src/s_fabs.c \
upstream-freebsd/lib/msun/src/s_fabsf.c \
upstream-freebsd/lib/msun/src/s_fdim.c \
upstream-freebsd/lib/msun/src/s_finite.c \
upstream-freebsd/lib/msun/src/s_finitef.c \
upstream-freebsd/lib/msun/src/s_floorf.c \
upstream-freebsd/lib/msun/src/s_fma.c \
upstream-freebsd/lib/msun/src/s_fmaf.c \
upstream-freebsd/lib/msun/src/s_fmax.c \
upstream-freebsd/lib/msun/src/s_fmaxf.c \
upstream-freebsd/lib/msun/src/s_fmin.c \
upstream-freebsd/lib/msun/src/s_fminf.c \
upstream-freebsd/lib/msun/src/s_frexp.c \
upstream-freebsd/lib/msun/src/s_frexpf.c \
upstream-freebsd/lib/msun/src/s_ilogb.c \
upstream-freebsd/lib/msun/src/s_ilogbf.c \
upstream-freebsd/lib/msun/src/s_llrint.c \
upstream-freebsd/lib/msun/src/s_llrintf.c \
upstream-freebsd/lib/msun/src/s_llround.c \
upstream-freebsd/lib/msun/src/s_llroundf.c \
upstream-freebsd/lib/msun/src/s_log1p.c \
upstream-freebsd/lib/msun/src/s_log1pf.c \
upstream-freebsd/lib/msun/src/s_logb.c \
upstream-freebsd/lib/msun/src/s_logbf.c \
upstream-freebsd/lib/msun/src/s_lrint.c \
upstream-freebsd/lib/msun/src/s_lrintf.c \
upstream-freebsd/lib/msun/src/s_lround.c \
upstream-freebsd/lib/msun/src/s_lroundf.c \
upstream-freebsd/lib/msun/src/s_modf.c \
upstream-freebsd/lib/msun/src/s_modff.c \
upstream-freebsd/lib/msun/src/s_nan.c \
upstream-freebsd/lib/msun/src/s_nearbyint.c \
upstream-freebsd/lib/msun/src/s_nextafter.c \
upstream-freebsd/lib/msun/src/s_nextafterf.c \
upstream-freebsd/lib/msun/src/s_remquo.c \
upstream-freebsd/lib/msun/src/s_remquof.c \
upstream-freebsd/lib/msun/src/s_rint.c \
upstream-freebsd/lib/msun/src/s_rintf.c \
upstream-freebsd/lib/msun/src/s_round.c \
upstream-freebsd/lib/msun/src/s_roundf.c \
upstream-freebsd/lib/msun/src/s_scalbln.c \
upstream-freebsd/lib/msun/src/s_scalbn.c \
upstream-freebsd/lib/msun/src/s_scalbnf.c \
upstream-freebsd/lib/msun/src/s_signgam.c \
upstream-freebsd/lib/msun/src/s_significand.c \
upstream-freebsd/lib/msun/src/s_significandf.c \
upstream-freebsd/lib/msun/src/s_sin.c \
upstream-freebsd/lib/msun/src/s_sinf.c \
upstream-freebsd/lib/msun/src/s_tan.c \
upstream-freebsd/lib/msun/src/s_tanf.c \
upstream-freebsd/lib/msun/src/s_tanh.c \
upstream-freebsd/lib/msun/src/s_tanhf.c \
upstream-freebsd/lib/msun/src/s_tgammaf.c \
upstream-freebsd/lib/msun/src/s_trunc.c \
upstream-freebsd/lib/msun/src/s_truncf.c \
upstream-freebsd/lib/msun/src/w_cabs.c \
upstream-freebsd/lib/msun/src/w_cabsf.c \
upstream-freebsd/lib/msun/src/w_cabsl.c \
upstream-freebsd/lib/msun/src/w_drem.c \
upstream-freebsd/lib/msun/src/w_dremf.c \
LOCAL_SRC_FILES_32 += \
fake_long_double.c \
LOCAL_SRC_FILES_64 := \
upstream-freebsd/lib/msun/src/e_acosl.c \
upstream-freebsd/lib/msun/src/e_acoshl.c \
upstream-freebsd/lib/msun/src/e_asinl.c \
upstream-freebsd/lib/msun/src/e_atan2l.c \
upstream-freebsd/lib/msun/src/e_atanhl.c \
upstream-freebsd/lib/msun/src/e_fmodl.c \
upstream-freebsd/lib/msun/src/e_hypotl.c \
upstream-freebsd/lib/msun/src/e_lgammal.c \
upstream-freebsd/lib/msun/src/e_remainderl.c \
upstream-freebsd/lib/msun/src/e_sqrtl.c \
upstream-freebsd/lib/msun/src/s_asinhl.c \
upstream-freebsd/lib/msun/src/s_atanl.c \
upstream-freebsd/lib/msun/src/s_cbrtl.c \
upstream-freebsd/lib/msun/src/s_ceill.c \
upstream-freebsd/lib/msun/src/s_copysignl.c \
upstream-freebsd/lib/msun/src/e_coshl.c \
upstream-freebsd/lib/msun/src/s_cosl.c \
upstream-freebsd/lib/msun/src/s_fabsl.c \
upstream-freebsd/lib/msun/src/s_floorl.c \
upstream-freebsd/lib/msun/src/s_fmal.c \
upstream-freebsd/lib/msun/src/s_fmaxl.c \
upstream-freebsd/lib/msun/src/s_fminl.c \
upstream-freebsd/lib/msun/src/s_modfl.c \
upstream-freebsd/lib/msun/src/s_frexpl.c \
upstream-freebsd/lib/msun/src/s_ilogbl.c \
upstream-freebsd/lib/msun/src/s_llrintl.c \
upstream-freebsd/lib/msun/src/s_llroundl.c \
upstream-freebsd/lib/msun/src/s_logbl.c \
upstream-freebsd/lib/msun/src/s_lrintl.c \
upstream-freebsd/lib/msun/src/s_lroundl.c \
upstream-freebsd/lib/msun/src/s_nextafterl.c \
upstream-freebsd/lib/msun/src/s_nexttoward.c \
upstream-freebsd/lib/msun/src/s_nexttowardf.c \
upstream-freebsd/lib/msun/src/s_remquol.c \
upstream-freebsd/lib/msun/src/s_rintl.c \
upstream-freebsd/lib/msun/src/s_roundl.c \
upstream-freebsd/lib/msun/src/s_scalbnl.c \
upstream-freebsd/lib/msun/src/e_sinhl.c \
upstream-freebsd/lib/msun/src/s_sinl.c \
upstream-freebsd/lib/msun/src/s_tanhl.c \
upstream-freebsd/lib/msun/src/s_tanl.c \
upstream-freebsd/lib/msun/src/s_truncl.c \
LOCAL_SRC_FILES_64 += \
upstream-freebsd/lib/msun/ld128/invtrig.c \
upstream-freebsd/lib/msun/ld128/e_lgammal_r.c \
upstream-freebsd/lib/msun/ld128/k_cosl.c \
upstream-freebsd/lib/msun/ld128/k_sinl.c \
upstream-freebsd/lib/msun/ld128/k_tanl.c \
upstream-freebsd/lib/msun/ld128/s_erfl.c \
upstream-freebsd/lib/msun/ld128/s_exp2l.c \
upstream-freebsd/lib/msun/ld128/s_expl.c \
upstream-freebsd/lib/msun/ld128/s_logl.c \
upstream-freebsd/lib/msun/ld128/s_nanl.c \
# TODO: this comes from from upstream's libc, not libm, but it's an
# implementation detail that should have hidden visibility, so it needs
# to be in whatever library the math code is in.
LOCAL_SRC_FILES += \
digittoint.c \
# Functionality not in the BSDs.
LOCAL_SRC_FILES += \
significandl.c \
sincos.c \
# Modified versions of BSD code.
LOCAL_SRC_FILES += \
signbit.c \
LOCAL_SRC_FILES_arm += \
arm/fenv.c \
# s_floor.S requires neon instructions.
ifdef TARGET_2ND_ARCH
arch_variant := $(TARGET_2ND_ARCH_VARIANT)
else
arch_variant := $(TARGET_ARCH_VARIANT)
endif
# Use the C version on armv7-a since it doesn't support neon instructions.
ifeq ($(arch_variant),armv7-a)
LOCAL_SRC_FILES_arm += upstream-freebsd/lib/msun/src/s_floor.c
else
LOCAL_SRC_FILES_arm += arm/s_floor.S
endif
LOCAL_SRC_FILES_arm64 += \
arm64/fenv.c \
upstream-freebsd/lib/msun/src/s_floor.c \
LOCAL_SRC_FILES_mips += \
mips/fenv.c \
upstream-freebsd/lib/msun/src/s_floor.c \
LOCAL_SRC_FILES_mips64 += \
mips/fenv.c \
upstream-freebsd/lib/msun/src/s_floor.c \
LOCAL_SRC_FILES_x86 += \
i387/fenv.c \
upstream-freebsd/lib/msun/src/s_floor.c \
LOCAL_SRC_FILES_x86_64 += \
amd64/fenv.c \
upstream-freebsd/lib/msun/src/s_floor.c \
LOCAL_C_INCLUDES_x86 += $(LOCAL_PATH)/i387
LOCAL_C_INCLUDES += $(LOCAL_PATH)/upstream-freebsd/lib/msun/src/
LOCAL_C_INCLUDES_64 += $(LOCAL_PATH)/upstream-freebsd/lib/msun/ld128/
LOCAL_CLANG := $(libm_clang)
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
LOCAL_ARM_MODE := arm
LOCAL_CFLAGS := \
-DFLT_EVAL_METHOD=0 \
-include $(LOCAL_PATH)/freebsd-compat.h \
-Wno-missing-braces \
-Wno-parentheses \
-Wno-sign-compare \
-Wno-uninitialized \
-Wno-unknown-pragmas \
-fvisibility=hidden \
LOCAL_ASFLAGS := \
-Ibionic/libc \
# Workaround the GCC "(long)fn -> lfn" optimization bug which will result in
# self recursions for lrint, lrintf, and lrintl.
# BUG: 14225968
LOCAL_CFLAGS += \
-fno-builtin-rint \
-fno-builtin-rintf \
-fno-builtin-rintl \
LOCAL_CONLY_FLAGS := \
-std=c99 \
LOCAL_NATIVE_COVERAGE := $(bionic_coverage)
LOCAL_ADDRESS_SANITIZER := false
include $(BUILD_STATIC_LIBRARY)
# -----------------------------------------------------------------------------
# libm.so
# -----------------------------------------------------------------------------
include $(CLEAR_VARS)
LOCAL_MODULE := libm
LOCAL_CLANG := $(libm_clang)
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
LOCAL_SYSTEM_SHARED_LIBRARIES := libc
LOCAL_WHOLE_STATIC_LIBRARIES := libm
LOCAL_NATIVE_COVERAGE := $(bionic_coverage)
LOCAL_ADDRESS_SANITIZER := false
LOCAL_CXX_STL := none
# We'd really like to do this for all architectures, but since this wasn't done
# before, these symbols must continue to be exported on LP32 for binary
# compatibility.
LOCAL_LDFLAGS_64 := -Wl,--exclude-libs,libgcc.a
include $(BUILD_SHARED_LIBRARY)
endif
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